Harman US

Forest, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Forest, a village in Hardin County, Ohio.

Tonight
62°F
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5am. Partly cloudy, with a low around 62. Southeast wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Forest

WhenTempForecastWindPrecip
Tonight 62°F Partly Cloudy then Slight Chance Rain Showers 13 to 17 mph SE 19%
Wednesday 67°F Rain Showers 21 mph S 97%
Wednesday Night 51°F Rain Showers then Mostly Cloudy 9 to 20 mph SW 84%
Thursday 62°F Mostly Sunny 10 to 17 mph SW 0%
Thursday Night 47°F Mostly Cloudy 5 to 9 mph SW 2%
Friday 57°F Chance Light Rain 5 to 9 mph NW 28%
Friday Night 40°F Chance Light Rain 9 mph NW 25%
Saturday 52°F Slight Chance Light Rain 10 mph NW 16%
Saturday Night 35°F Partly Cloudy 3 to 7 mph W 13%
Sunday 55°F Mostly Sunny then Slight Chance Light Rain 5 to 12 mph W 17%
Sunday Night 36°F Slight Chance Light Rain then Partly Cloudy 10 mph W 17%
Monday 57°F Slight Chance Light Rain 8 to 14 mph W 16%
Monday Night 40°F Slight Chance Light Rain then Partly Cloudy 13 mph SW 16%
Tuesday 61°F Mostly Sunny 14 mph W 4%

Forecast source: National Weather Service (api.weather.gov) for Forest (40.804, -83.515). Updated through the day.

Growing snapshot for Forest

Last spring frost
Apr 22
First fall frost
Oct 24
Growing season
182 days
Hardiness zone
6a

More local growing data for Forest: nearby ZIP 45843 weather · frost dates · planting calendar · Ohio frost dates

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Climate data from the nearest NOAA station, Kenton, Oh (10 mi from Forest). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.